After a very cold and brutal winter, things are finally beginning to heat up on the east coast. After experiencing my first 80-degree day in months last week, I was finally compelled to move all of my winter coats to the back of my closet, but in light of spring, I've also decided to make some changes to my skincare routine . For some people, adjusting your skincare routine to account for different weather isn't necessary, but it's worth considering if you live in an environment that experiences real seasonal changes. "When it's cold and dry, your skin becomes more sensitive and loses moisture, which is why we lean into heavier, more hydrating formulas and focus on barrier repair ," board-certified dermatologist Joel Spitz, MD, says. "When temperatures rise, the oil glands become more active, which can lead to congestion and breakouts .…